[rescue] Did i nuke my SS20?

[Dave McGuire]

On 8/2/21 9:49 AM, Jonathan Chapman wrote:
> FYI, brand-new M48T08s from e.g. Mouser, Digi-Key, etc. don't work in old Suns
> anyway, there's some slight difference between the original design and the
> stuff you can get now. I've heard it's timing differences, but it affects the
> clock section only. That's why I did the GW-48T02-1 and GW-48T08-1 initially,
> since I had a pile of NVRAMs to rebuild.

  Hey, about this, do you have any of your 48T08/48T59 boards left?  I
have crystals and CR1225 holders.  I'm planning to work on the SV1 at
LSSM this week and the 48T59 NVRAMs in every one of our U30/U60 systems
are dead.  At least one of them is a CAPHAT so that would get us up and
running quickly.

  (did you release the Gerbers for those?)

           -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA